National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Light Snow

22°F

-6°C

Humidity 94%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 21°F (-6°C)
Visibility 2.00 mi
Last update 3 Dec 1:55 am MST
Extended Forecast for

3 Miles WSW East Portal CO

  • Overnight

    Overnight: Snow. Steady temperature around 10. Wind chill values as low as -3. South southwest wind around 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 10 °F

    Snow

  • Wednesday

    Wednesday: Snow. Temperature falling to around 0 by 5pm. Wind chill values as low as -12. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 8 °F⇓

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 8pm. Partly cloudy, with a low around 0. Wind chill values as low as -19. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Snow Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Patchy blowing snow between 10am and 4pm. Mostly sunny and cold, with a high near 8. Wind chill values as low as -21. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.

    High: 8 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 3. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.

    Low: 3 °F

    Chance Snow
    and Windy

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 14. Breezy. Chance of precipitation is 60%.

    High: 14 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 8. Windy. Chance of precipitation is 60%.

    Low: 8 °F

    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow. Mostly cloudy, with a high near 15. Windy.

    High: 15 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: Snow. Mostly cloudy, with a low around 10. Windy.

    Low: 10 °F

    Snow and
    Windy

Detailed Forecast

Overnight
Snow. Steady temperature around 10. Wind chill values as low as -3. South southwest wind around 8 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. Temperature falling to around 0 by 5pm. Wind chill values as low as -12. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow likely, mainly before 8pm. Partly cloudy, with a low around 0. Wind chill values as low as -19. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow after 11am. Patchy blowing snow between 10am and 4pm. Mostly sunny and cold, with a high near 8. Wind chill values as low as -21. Breezy, with a west wind 17 to 24 mph, with gusts as high as 37 mph.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 3. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 14. Breezy. Chance of precipitation is 60%.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 8. Windy. Chance of precipitation is 60%.
Saturday
Snow. Mostly cloudy, with a high near 15. Windy.
Saturday Night
Snow. Mostly cloudy, with a low around 10. Windy.
Sunday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 15. Windy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 8. Windy.
Monday
A chance of snow. Partly sunny, with a high near 15. Windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 10. Windy.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 19. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW East Portal CO
 39.89°N 105.7°W (Elev. 11722 ft)
Last Update:
10:11 pm MST Dec 2, 2025
Forecast Valid:
2am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation